/*
 * Created by LiuYou on 2020/12/26.
 *
 */

#include <iostream>

int main() {
    int valueA = 10;
    int valueB = 100;
    std::swap(valueA, valueB);
    std::cout << valueA << std::endl;
    std::cout << valueB << std::endl;


    return 0;
}